code: def generate_output():
      """function for testing output
  
      publishes two outputs of each type, and returns
      a rich displayable object.
      """
  
      from IPython.core.display import HTML, Math, display
  
      print("stdout")
      print("stderr", file=sys.stderr)
  
      display(HTML("<b>HTML</b>"))
  
      print("stdout2")
      print("stderr2", file=sys.stderr)
  
      display(Math(r"\alpha=\beta"))
  
      return Math("42")
  
imports: import os
  import signal
  import sys
  import time
  import warnings
  from contextlib import contextmanager
  import pytest
  import zmq
  from decorator import decorator
  from ipyparallel import Client, error
  from ipyparallel.tests import add_engines, launchers
label_desc: Use image node_id 6 for calling a global function with example usage: generate_output() and returns: Math